1 /* $NetBSD: efs_subr.h,v 1.2 2007/07/04 19:24:09 rumble Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Stephen M. Rumble <rumble@ephemeral.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _FS_EFS_EFS_SUBR_H_ 20 #define _FS_EFS_EFS_SUBR_H_ 21 22 extern struct pool efs_inode_pool; 23 24 struct efs_extent_iterator { 25 struct efs_inode *exi_eip; 26 off_t exi_next; /* next logical extent*/ 27 off_t exi_dnext; /* next direct extent */ 28 off_t exi_innext; /* next indirect ext. */ 29 }; 30 31 int32_t efs_sb_checksum(struct efs_sb *, int); 32 int efs_sb_validate(struct efs_sb *, const char **); 33 void efs_locate_inode(ino_t, struct efs_sb *, uint32_t *, int *); 34 int efs_read_inode(struct efs_mount *, ino_t, struct lwp *, 35 struct efs_dinode *); 36 void efs_dextent_to_extent(struct efs_dextent *, struct efs_extent *); 37 void efs_extent_to_dextent(struct efs_extent *, struct efs_dextent *); 38 int efs_inode_lookup(struct efs_mount *, struct efs_inode *, 39 struct componentname *, ino_t *); 40 int efs_bread(struct efs_mount *, uint32_t, struct lwp *, struct buf **); 41 void efs_sync_inode_to_dinode(struct efs_inode *); 42 void efs_sync_dinode_to_inode(struct efs_inode *); 43 void efs_extent_iterator_init(struct efs_extent_iterator *, 44 struct efs_inode *, off_t); 45 int efs_extent_iterator_next(struct efs_extent_iterator *, 46 struct efs_extent *); 47 48 #endif /* !_FS_EFS_EFS_SUBR_H_ */ 49